Home GPU Comparison ATI Radeon HD 4870 vs AMD Radeon HD 7720 OEM

ATI Radeon HD 4870 vs AMD Radeon HD 7720 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 1024MB VRAM Radeon HD 7720 OEM 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 4870
1.2 TFLOPS
Radeon HD 7720 OEM +12%
1.344 TFLOPS
VS

Graphics Card

Jun 2008
Release Date
Mar 2013
Radeon R700
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
1050 MHz

Memory

512MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
115.2GB/s
Bandwidth
134.4GB/s

Render Config

10
Compute Units
10
-
-
-
800
Shading Units
800
40
TMUs
40
16
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

12.00 GPixel/s
Pixel Rate
26.88 GPixel/s
30.00 GTexel/s
Texture Rate
33.60 GTexel/s
-
-
-
1200 GFLOPS
FP32 (float)
1344 GFLOPS
240.0 GFLOPS
FP64 (double)
-

Board Design

150W
TDP
150W
450 W
Suggested PSU
450 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
2x 6-pin
Power Connectors
-

Graphics Processor

RV770
GPU Name
Barts
RV770 XT (215-0669049)
GPU Variant
Barts LE (215-0798002)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
1.7 billion
256 mm²
Die Size
255 mm²

Graphics Features

10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
5.0

Related GPU Comparisons

Related News

© 2024 - TopCPU.net   Contact Us Privacy Policy