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GPU Comparison
AMD Radeon HD 7790 vs AMD Radeon HD 6850
AMD Radeon HD 7790 vs AMD Radeon HD 6850
VS
AMD Radeon HD 7790
AMD Radeon HD 6850
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 1024MB VRAM Radeon HD 6850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7790 's Advantages
Released 2 years and 5 months late
Lower TDP (85W vs 127W)
AMD Radeon HD 6850 's Advantages
Larger VRAM bandwidth (128.0GB/s vs 96.00GB/s)
64 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7790
+20%
1.792 TFLOPS
Radeon HD 6850
1.488 TFLOPS
Radeon HD 7790
VS
Radeon HD 6850
Graphics Card
Mar 2013
Release Date
Oct 2010
Southern 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
1000 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
96.00GB/s
Bandwidth
128.0GB/s
Render Config
-
SM Count
-
14
Compute Units
12
896
Shading Units
960
56
TMUs
48
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
16.00 GPixel/s
Pixel Rate
24.80 GPixel/s
56.00 GTexel/s
Texture Rate
37.20 GTexel/s
-
FP16 (half)
-
1.792 TFLOPS
FP32 (float)
1488 GFLOPS
112.0 GFLOPS
FP64 (double)
-
Graphics Processor
Bonaire
GPU Name
Barts
Bonaire XT (215-0839039)
GPU Variant
Barts PRO (215-0798006)
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
Board Design
85W
TDP
127W
250 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
1x 6-pin
Power Connectors
1x 6-pin
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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