GeForce 6800 XT vs Quadro M620

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	535	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	16.71	no data
Architecture	Maxwell (2014−2017)	Curie (2003−2013)
GPU code name	GM107	NV42
Market segment	Mobile workstation	Desktop
Release date	11 January 2017 (7 years ago)	30 September 2005 (19 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	512	no data
Core clock speed	756 MHz	450 MHz
Boost clock speed	977 MHz	no data
Number of transistors	1,870 million	202 million
Manufacturing process technology	28 nm	110 nm
Power consumption (TDP)	30 Watt	no data
Texture fill rate	31.26	5.400
Floating-point processing power	1 TFLOPS	no data
ROPs	16	8
TMUs	32	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).

Laptop size	large	no data
Interface	MXM-A (3.0)	AGP 8x
Width	no data	1-slot
Supplementary power connectors	None	1x Molex

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	GDDR3
Maximum RAM amount	2 GB	256 MB
Memory bus width	128 Bit	256 Bit
Memory clock speed	1253 MHz	600 MHz
Memory bandwidth	80 GB/s	38.4 GB/s
Shared memory	-	-

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	No outputs	1x DVI, 1x VGA, 1x S-Video
Display Port	1.2	no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Optimus	+	-
3D Stereo	+	no data
Mosaic	+	no data
nView Display Management	+	no data
Optimus	+	no data

API compatibility

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

DirectX	12	9.0c (9_3)
Shader Model	5.1	3.0
OpenGL	4.5	2.0 (full) 2.1 (partial)
OpenCL	1.2	N/A
Vulkan	1.1.126	N/A
CUDA	5.0	-

Synthetic benchmark performance

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

---

---

Pros & cons summary

---

Recency	11 January 2017	30 September 2005
Maximum RAM amount	2 GB	256 MB
Chip lithography	28 nm	110 nm

---

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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

---