AMD Radeon R7 260 vs AMD Radeon HD 6790
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260 and 1024MB VRAM Radeon HD 6790 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 8 months late
More VRAM (2GB vs 1024GB)
Lower TDP (95W vs 150W)
AMD Radeon HD 6790 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 96.00GB/s)
32 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 260
+14%
1.536 TFLOPS
Radeon HD 6790
1.344 TFLOPS
Graphics Card
Dec 2013
Release Date
Apr 2011
Volcanic Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1500 MHz
Memory Clock
1050 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
96.00GB/s
Bandwidth
134.4GB/s
Render Config
12
Compute Units
10
-
-
-
768
Shading Units
800
48
TMUs
40
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
16.00 GPixel/s
Pixel Rate
13.44 GPixel/s
48.00 GTexel/s
Texture Rate
33.60 GTexel/s
-
-
-
1.536 TFLOPS
FP32 (float)
1344 GFLOPS
96.00 GFLOPS
FP64 (double)
-
Board Design
95W
TDP
150W
250 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
Bonaire
GPU Name
Barts
Bonaire PRO
GPU Variant
Barts LE
(215-0798002)
GCN 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.08 billion
Transistors
1.7 billion
160 mm²
Die Size
255 mm²
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
-
-
-
6.3
Shader Model
5.0
