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GPU Comparison
AMD Radeon R9 270X vs AMD Radeon HD 7850
AMD Radeon R9 270X vs AMD Radeon HD 7850
VS
AMD Radeon R9 270X
AMD Radeon HD 7850
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X 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 270X 's Advantages
Released 1 years and 7 months late
Boost Clock1050MHz
Larger VRAM bandwidth (179.2GB/s vs 153.6GB/s)
256 additional rendering cores
AMD Radeon HD 7850 's Advantages
Lower TDP (130W vs 180W)
Score
Benchmark
FP32 (float)
Radeon R9 270X
+52%
2.688 TFLOPS
Radeon HD 7850
1.761 TFLOPS
3DMark Time Spy
Radeon R9 270X
+34%
1768
Radeon HD 7850
1312
Radeon R9 270X
VS
Radeon HD 7850
Graphics Card
Oct 2013
Release Date
Mar 2012
Volcanic Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1400 MHz
Memory Clock
1200 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
179.2GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
20
Compute Units
16
1280
Shading Units
1024
80
TMUs
64
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
33.60 GPixel/s
Pixel Rate
27.52 GPixel/s
84.00 GTexel/s
Texture Rate
55.04 GTexel/s
-
FP16 (half)
-
2.688 TFLOPS
FP32 (float)
1.761 TFLOPS
168.0 GFLOPS
FP64 (double)
110.1 GFLOPS
Graphics Processor
Curacao
GPU Name
Pitcairn
Curacao XT (215-0848004)
GPU Variant
Pitcairn PRO (215-0828062)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
2.8 billion
212 mm²
Die Size
212 mm²
Board Design
180W
TDP
130W
450 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
5.1
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