Radeon PRO W6300 vs T400

Place in the ranking	470	361
Place by popularity	not in top-100	not in top-100
Power efficiency	21.85	40.20
Architecture	Turing (2018−2022)	RDNA 2.0 (2020−2024)
GPU code name	TU117	Navi 24
Market segment	Workstation	Workstation
Release date	6 May 2021 (3 years ago)	19 January 2022 (2 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	384	768
Core clock speed	420 MHz	1512 MHz
Boost clock speed	1425 MHz	2040 MHz
Number of transistors	4,700 million	5,400 million
Manufacturing process technology	12 nm	6 nm
Power consumption (TDP)	30 Watt	25 Watt
Texture fill rate	34.20	97.92
Floating-point processing power	1.094 TFLOPS	3.133 TFLOPS
ROPs	16	32
TMUs	24	48
Ray Tracing Cores	no data	12

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Interface	PCIe 3.0 x16	PCIe 4.0 x4
Width	1-slot	1-slot
Supplementary power connectors	None	None

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR6	GDDR6
Maximum RAM amount	2 GB	2 GB
Memory bus width	64 Bit	32 Bit
Memory clock speed	1250 MHz	2000 MHz
Memory bandwidth	80 GB/s	64 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors

3x mini-DisplayPort

No outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 (12_1)	12 Ultimate (12_2)
Shader Model	6.6	6.7
OpenGL	4.6	4.6
OpenCL	3.0	2.2
Vulkan	1.2	1.3
CUDA	7.5	-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

T400 9.40

PRO W6300 14.41
+53.3%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

T400 3626

PRO W6300 5559
+53.3%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	9.40	14.41
Recency	6 May 2021	19 January 2022
Chip lithography	12 nm	6 nm
Power consumption (TDP)	30 Watt	25 Watt

PRO W6300 has a 53.3% higher aggregate performance score, an age advantage of 8 months, a 100% more advanced lithography process, and 20% lower power consumption.

The Radeon PRO W6300 is our recommended choice as it beats the T400 in performance tests.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.