Home GPU Comparison ATI Radeon HD 4770 vs AMD Radeon HD 7870 GHz Edition

ATI Radeon HD 4770 vs AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages
Lower TDP (80W vs 175W)
AMD Radeon HD 7870 GHz Edition 's Advantages
Released 2 years and 11 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (153.6GB/s vs 51.20GB/s)
640 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 4770
0.96 TFLOPS
Radeon HD 7870 GHz Edition +166%
2.56 TFLOPS
VS

Graphics Card

Apr 2009
Release Date
Mar 2012
Radeon R700
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
1200 MHz

Memory

512MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
51.20GB/s
Bandwidth
153.6GB/s

Render Config

8
Compute Units
20
-
-
-
640
Shading Units
1280
32
TMUs
80
16
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

12.00 GPixel/s
Pixel Rate
32.00 GPixel/s
24.00 GTexel/s
Texture Rate
80.00 GTexel/s
-
-
-
960.0 GFLOPS
FP32 (float)
2.560 TFLOPS
192.0 GFLOPS
FP64 (double)
160.0 GFLOPS

Board Design

80W
TDP
175W
250 W
Suggested PSU
450 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
2x 6-pin

Graphics Processor

RV740
GPU Name
Pitcairn
RV740 XT (215-0727019)
GPU Variant
Pitcairn XT (215-0828047)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.826 billion
Transistors
2.8 billion
137 mm²
Die Size
212 mm²

Graphics Features

10.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
4.1
Shader Model
5.1

Related GPU Comparisons

Related News

© 2024 - TopCPU.net   Contact Us Privacy Policy