Home GPU Comparison AMD Radeon HD 6990 vs NVIDIA GeForce GT 630 OEM

AMD Radeon HD 6990 vs NVIDIA GeForce GT 630 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 1024MB VRAM GeForce GT 630 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 28.51GB/s)
1344 additional rendering cores
NVIDIA GeForce GT 630 OEM 's Advantages
Released 1 years and 1 months late
Lower TDP (50W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 6990 +658%
2.55 TFLOPS
GeForce GT 630 OEM
0.336 TFLOPS
VS

Graphics Card

Mar 2011
Release Date
Apr 2012
Northern Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1250 MHz
Memory Clock
891 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
28.51GB/s

Render Config

24
Compute Units
-
-
-
-
1536
Shading Units
192
96
TMUs
16
32
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

26.56 GPixel/s
Pixel Rate
3.500 GPixel/s
79.68 GTexel/s
Texture Rate
14.00 GTexel/s
-
-
-
2.550 TFLOPS
FP32 (float)
336.0 GFLOPS
637.4 GFLOPS
FP64 (double)
14.00 GFLOPS

Board Design

375W
TDP
50W
750 W
Suggested PSU
250 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
2x 8-pin
Power Connectors
None

Graphics Processor

Antilles
GPU Name
GK107
Antilles XT (215-0807027)
GPU Variant
GK107-301-A2
TeraScale 3
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.64 billion
Transistors
1.27 billion
389 mm²
Die Size
118 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1

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