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GPU Comparison
AMD Radeon R7 260 vs AMD Radeon HD 6490
AMD Radeon R7 260 vs AMD Radeon HD 6490
VS
AMD Radeon R7 260
AMD Radeon HD 6490
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260 and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 260 's Advantages
Released 2 years and 5 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (96.00GB/s vs 16.00GB/s)
448 additional rendering cores
AMD Radeon HD 6490 's Advantages
Lower TDP (39W vs 95W)
Score
Benchmark
FP32 (float)
Radeon R7 260
+336%
1.536 TFLOPS
Radeon HD 6490
0.352 TFLOPS
Radeon R7 260
VS
Radeon HD 6490
Graphics Card
Dec 2013
Release Date
Jul 2011
Volcanic Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1500 MHz
Memory Clock
500 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
128bit
96.00GB/s
Bandwidth
16.00GB/s
Render Config
-
SM Count
-
12
Compute Units
4
768
Shading Units
320
48
TMUs
16
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
16.00 GPixel/s
Pixel Rate
4.400 GPixel/s
48.00 GTexel/s
Texture Rate
8.800 GTexel/s
-
FP16 (half)
-
1.536 TFLOPS
FP32 (float)
352.0 GFLOPS
96.00 GFLOPS
FP64 (double)
-
Graphics Processor
Bonaire
GPU Name
Redwood
Bonaire PRO
GPU Variant
Redwood LE
GCN 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.08 billion
Transistors
0.627 billion
160 mm²
Die Size
104 mm²
Board Design
95W
TDP
39W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.0
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
6.3
Shader Model
5.0
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8
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