CMP 40HX vs Radeon R7 250E

Place in performance ranking	674	306
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.11	9.64
Architecture	GCN 1.0 (2012−2020)	Turing (2018−2022)
GPU code name	Cape Verde	TU106
Market segment	Desktop	Desktop
Release date	20 December 2013 (10 years ago)	25 February 2021 (3 years ago)
Launch price (MSRP)	$109	$699

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

CMP 40HX has 768% better value for money than R7 250E.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	512	2304
Core clock speed	800 MHz	no data
Boost clock speed	no data	1650 MHz
Number of transistors	1,500 million	10,800 million
Manufacturing process technology	28 nm	12 nm
Power consumption (TDP)	55 Watt	185 Watt
Texture fill rate	25.60	237.6
Floating-point performance	0.8192 gflops	7.603 gflops

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 3.0 x16
Length	168 mm	229 mm
Width	1-slot	2-slot
Supplementary power connectors	None	1x 8-pin

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	GDDR5	GDDR6
Maximum RAM amount	1 GB	8 GB
Memory bus width	128 Bit	256 Bit
Memory clock speed	4500 MHz	14 GB/s
Memory bandwidth	72 GB/s	448.0 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	1x DVI, 1x HDMI, 1x DisplayPort	No outputs
HDMI	+	-

API compatibility

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

DirectX	12 (11_1)	12 Ultimate (12_2)
Shader Model	5.1	6.6
OpenGL	4.6	4.6
OpenCL	1.2	3.0
Vulkan	1.2.131	1.2
CUDA	-	7.5

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	4.31	17.57
Recency	20 December 2013	25 February 2021
Maximum RAM amount	1 GB	8 GB
Chip lithography	28 nm	12 nm
Power consumption (TDP)	55 Watt	185 Watt

R7 250E has 236.4% lower power consumption.

CMP 40HX, on the other hand, has a 307.7% higher aggregate performance score, an age advantage of 7 years, a 700% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

The CMP 40HX is our recommended choice as it beats the Radeon R7 250E in performance tests.

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