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GPU Comparison
AMD Radeon HD 6870 X2 vs AMD Radeon R7 260
AMD Radeon HD 6870 X2 vs AMD Radeon R7 260
VS
AMD Radeon HD 6870 X2
AMD Radeon R7 260
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 2GB VRAM Radeon R7 260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6870 X2 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 96.00GB/s)
352 additional rendering cores
AMD Radeon R7 260 's Advantages
Released 2 years and 5 months late
More VRAM (2GB vs 1GB)
Lower TDP (95W vs 300W)
Score
Benchmark
FP32 (float)
Radeon HD 6870 X2
+31%
2.016 TFLOPS
Radeon R7 260
1.536 TFLOPS
Radeon HD 6870 X2
VS
Radeon R7 260
Graphics Card
Jul 2011
Release Date
Dec 2013
Northern Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
1500 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
134.4GB/s
Bandwidth
96.00GB/s
Render Config
-
SM Count
-
14
Compute Units
12
1120
Shading Units
768
56
TMUs
48
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
28.80 GPixel/s
Pixel Rate
16.00 GPixel/s
50.40 GTexel/s
Texture Rate
48.00 GTexel/s
-
FP16 (half)
-
2.016 TFLOPS
FP32 (float)
1.536 TFLOPS
-
FP64 (double)
96.00 GFLOPS
Graphics Processor
Barts
GPU Name
Bonaire
Barts XT (215-0798000)
GPU Variant
Bonaire PRO
TeraScale 2
Architecture
GCN 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
2.08 billion
255 mm²
Die Size
160 mm²
Board Design
300W
TDP
95W
700 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
-
Power Connectors
1x 6-pin
Graphics Features
11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.0
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
6.3
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8
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9
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10
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