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GPU Comparison
AMD Radeon HD 6870 1600SP Edition vs AMD Radeon R9 Nano
AMD Radeon HD 6870 1600SP Edition vs AMD Radeon R9 Nano
VS
AMD Radeon HD 6870 1600SP Edition
AMD Radeon R9 Nano
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 4GB VRAM Radeon R9 Nano to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 Nano 's Advantages
Released 2 years and 7 months late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)
2496 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6870 1600SP Edition
2.72 TFLOPS
Radeon R9 Nano
+201%
8.192 TFLOPS
Radeon HD 6870 1600SP Edition
VS
Radeon R9 Nano
Graphics Card
Jan 2013
Release Date
Aug 2015
Northern Islands
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
500 MHz
Memory
1024MB
Memory Size
4GB
GDDR5
Memory Type
HBM
256bit
Memory Bus
4096bit
134.4GB/s
Bandwidth
512.0GB/s
Render Config
-
SM Count
-
20
Compute Units
64
1600
Shading Units
4096
80
TMUs
256
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
2 MB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
64.00 GPixel/s
68.00 GTexel/s
Texture Rate
256.0 GTexel/s
-
FP16 (half)
8.192 TFLOPS
2.720 TFLOPS
FP32 (float)
8.192 TFLOPS
544.0 GFLOPS
FP64 (double)
512.0 GFLOPS
Graphics Processor
Cypress
GPU Name
Fiji
Cypress XT (215-0735033)
GPU Variant
Fiji XT CA (215-0862120)
TeraScale 2
Architecture
GCN 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.154 billion
Transistors
8.9 billion
334 mm²
Die Size
596 mm²
Board Design
175W
TDP
175W
450 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x HDMI 1.4a 3x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 8-pin
Graphics Features
11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.0
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
6.3
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7
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8
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