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GPU Comparison
AMD Radeon R9 Nano vs AMD Radeon HD 7850
AMD Radeon R9 Nano vs AMD Radeon HD 7850
VS
AMD Radeon R9 Nano
AMD Radeon HD 7850
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano 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 R9 Nano 's Advantages
Released 3 years and 5 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)
3072 additional rendering cores
AMD Radeon HD 7850 's Advantages
Lower TDP (130W vs 175W)
Score
Benchmark
FP32 (float)
Radeon R9 Nano
+365%
8.192 TFLOPS
Radeon HD 7850
1.761 TFLOPS
3DMark Time Spy
Radeon R9 Nano
+251%
4607
Radeon HD 7850
1312
Radeon R9 Nano
VS
Radeon HD 7850
Graphics Card
Aug 2015
Release Date
Mar 2012
Pirate Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
500 MHz
Memory Clock
1200 MHz
Memory
4GB
Memory Size
2GB
HBM
Memory Type
GDDR5
4096bit
Memory Bus
256bit
512.0GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
64
Compute Units
16
4096
Shading Units
1024
256
TMUs
64
64
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
Theoretical Performance
64.00 GPixel/s
Pixel Rate
27.52 GPixel/s
256.0 GTexel/s
Texture Rate
55.04 GTexel/s
8.192 TFLOPS
FP16 (half)
-
8.192 TFLOPS
FP32 (float)
1.761 TFLOPS
512.0 GFLOPS
FP64 (double)
110.1 GFLOPS
Graphics Processor
Fiji
GPU Name
Pitcairn
Fiji XT CA (215-0862120)
GPU Variant
Pitcairn PRO (215-0828062)
GCN 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
8.9 billion
Transistors
2.8 billion
596 mm²
Die Size
212 mm²
Board Design
175W
TDP
130W
450 W
Suggested PSU
300 W
1x HDMI 1.4a 3x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
6.3
Shader Model
5.1
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9
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