Home GPU Comparison AMD Radeon HD 6970 X2 vs NVIDIA GeForce GT 620 OEM

AMD Radeon HD 6970 X2 vs NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 X2 's Advantages
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (176.0GB/s vs 14.37GB/s)
1488 additional rendering cores
NVIDIA GeForce GT 620 OEM 's Advantages
Lower TDP (30W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 6970 X2 +1632%
2.703 TFLOPS
GeForce GT 620 OEM
0.156 TFLOPS
VS

Graphics Card

Unknown
Release Date
Apr 2012
Northern Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
898 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
176.0GB/s
Bandwidth
14.37GB/s

Render Config

24
Compute Units
-
-
SM Count
1
1536
Shading Units
48
96
TMUs
8
32
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

28.16 GPixel/s
Pixel Rate
1.620 GPixel/s
84.48 GTexel/s
Texture Rate
6.480 GTexel/s
-
-
-
2.703 TFLOPS
FP32 (float)
155.5 GFLOPS
-
FP64 (double)
12.96 GFLOPS

Board Design

375W
TDP
30W
750 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
3x 8-pin
Power Connectors
None

Graphics Processor

Antilles
GPU Name
GF119
Antilles XT (215-0807027)
GPU Variant
-
TeraScale 3
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.64 billion
Transistors
0.292 billion
389 mm²
Die Size
79 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
5.0
Shader Model
5.1

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