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GPU Comparison
AMD Radeon HD 7720 OEM vs ATI Radeon HD 4870
AMD Radeon HD 7720 OEM vs ATI Radeon HD 4870
VS
AMD Radeon HD 7720 OEM
ATI Radeon HD 4870
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM and 512MB VRAM Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7720 OEM 's Advantages
Released 4 years and 9 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (134.4GB/s vs 115.2GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 7720 OEM
+12%
1.344 TFLOPS
Radeon HD 4870
1.2 TFLOPS
Radeon HD 7720 OEM
VS
Radeon HD 4870
Graphics Card
Mar 2013
Release Date
Jun 2008
Southern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
115.2GB/s
Render Config
-
SM Count
-
10
Compute Units
10
800
Shading Units
800
40
TMUs
40
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
26.88 GPixel/s
Pixel Rate
12.00 GPixel/s
33.60 GTexel/s
Texture Rate
30.00 GTexel/s
-
FP16 (half)
-
1344 GFLOPS
FP32 (float)
1200 GFLOPS
-
FP64 (double)
240.0 GFLOPS
Graphics Processor
Barts
GPU Name
RV770
Barts LE (215-0798002)
GPU Variant
RV770 XT (215-0669049)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.7 billion
Transistors
0.956 billion
255 mm²
Die Size
256 mm²
Board Design
150W
TDP
150W
450 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
2x DVI 1x S-Video
-
Power Connectors
2x 6-pin
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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