Home GPU Comparison NVIDIA GeForce GTX 260 vs AMD Radeon HD 6990

NVIDIA GeForce GTX 260 vs AMD Radeon HD 6990

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 260 's Advantages
Lower TDP (182W vs 375W)
AMD Radeon HD 6990 's Advantages
Released 2 years and 9 months late
More VRAM (2GB vs 896GB)
Larger VRAM bandwidth (160.0GB/s vs 111.9GB/s)
1344 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 260
0.477 TFLOPS
Radeon HD 6990 +434%
2.55 TFLOPS
VS

Graphics Card

Jun 2008
Release Date
Mar 2011
GeForce 200
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
999 MHz
Memory Clock
1250 MHz

Memory

896MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
448bit
Memory Bus
256bit
111.9GB/s
Bandwidth
160.0GB/s

Render Config

-
Compute Units
24
24
SM Count
-
192
Shading Units
1536
64
TMUs
96
28
ROPs
32
-
-
-
-
-
-
-
L1 Cache
8 KB (per CU)
224 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

16.13 GPixel/s
Pixel Rate
26.56 GPixel/s
36.86 GTexel/s
Texture Rate
79.68 GTexel/s
-
-
-
476.9 GFLOPS
FP32 (float)
2.550 TFLOPS
59.62 GFLOPS
FP64 (double)
637.4 GFLOPS

Board Design

182W
TDP
375W
450 W
Suggested PSU
750 W
2x DVI 1x S-Video
Outputs
1x DVI 4x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
2x 8-pin

Graphics Processor

GT200
GPU Name
Antilles
G200-100-A2
GPU Variant
Antilles XT (215-0807027)
Tesla 2.0
Architecture
TeraScale 3
TSMC
Foundry
TSMC
65 nm
Process Size
40 nm
1.4 billion
Transistors
2.64 billion
576 mm²
Die Size
389 mm²

Graphics Features

11.1 (10_0)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
1.3
CUDA
-
4.0
Shader Model
5.0

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