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GPU Comparison
AMD Radeon HD 7670 OEM vs AMD Radeon HD 7850
AMD Radeon HD 7670 OEM vs AMD Radeon HD 7850
VS
AMD Radeon HD 7670 OEM
AMD Radeon HD 7850
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7670 OEM and 2GB VRAM Radeon HD 7850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7670 OEM 's Advantages
Lower TDP (66W vs 130W)
AMD Radeon HD 7850 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)
544 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7670 OEM
0.768 TFLOPS
Radeon HD 7850
+129%
1.761 TFLOPS
Radeon HD 7670 OEM
VS
Radeon HD 7850
Graphics Card
Jan 2012
Release Date
Mar 2012
Southern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1000 MHz
Memory Clock
1200 MHz
Memory
512MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
64.00GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
6
Compute Units
16
480
Shading Units
1024
24
TMUs
64
8
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
6.400 GPixel/s
Pixel Rate
27.52 GPixel/s
19.20 GTexel/s
Texture Rate
55.04 GTexel/s
-
FP16 (half)
-
768.0 GFLOPS
FP32 (float)
1.761 TFLOPS
-
FP64 (double)
110.1 GFLOPS
Graphics Processor
Turks
GPU Name
Pitcairn
Turks XT (215-0803000)
GPU Variant
Pitcairn PRO (215-0828062)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
2.8 billion
118 mm²
Die Size
212 mm²
Board Design
66W
TDP
130W
250 W
Suggested PSU
300 W
1x DVI 1x DisplayPort 1.1 1x VGA
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
5.1
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