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GPU Comparison
AMD Radeon HD 6870 vs ATI Radeon HD 5830
AMD Radeon HD 6870 vs ATI Radeon HD 5830
VS
AMD Radeon HD 6870
ATI Radeon HD 5830
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 1024MB VRAM Radeon HD 5830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6870 's Advantages
Released 8 months late
Larger VRAM bandwidth (134.4GB/s vs 128.0GB/s)
Lower TDP (151W vs 175W)
Score
Benchmark
FP32 (float)
Radeon HD 6870
+12%
2.016 TFLOPS
Radeon HD 5830
1.792 TFLOPS
Radeon HD 6870
VS
Radeon HD 5830
Graphics Card
Oct 2010
Release Date
Feb 2010
Northern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
128.0GB/s
Render Config
-
SM Count
-
14
Compute Units
14
1120
Shading Units
1120
56
TMUs
56
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
28.80 GPixel/s
Pixel Rate
12.80 GPixel/s
50.40 GTexel/s
Texture Rate
44.80 GTexel/s
-
FP16 (half)
-
2.016 TFLOPS
FP32 (float)
1.792 TFLOPS
-
FP64 (double)
358.4 GFLOPS
Graphics Processor
Barts
GPU Name
Cypress
Barts XT (215-0798000)
GPU Variant
Cypress LE (215-0735047)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
2.154 billion
255 mm²
Die Size
334 mm²
Board Design
151W
TDP
175W
450 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
2x 6-pin
Power Connectors
2x 6-pin
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
5.0
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