Home GPU Comparison ATI Radeon HD 4770 vs AMD Radeon R9 280X2

ATI Radeon HD 4770 vs AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 3GB VRAM Radeon R9 280X2 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 375W)
AMD Radeon R9 280X2 's Advantages
Boost Clock1000MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (288.0GB/s vs 51.20GB/s)
1408 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 4770
0.96 TFLOPS
Radeon R9 280X2 +326%
4.096 TFLOPS
VS

Graphics Card

Apr 2009
Release Date
Unknown
Radeon R700
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
950 MHz
-
Boost Clock
1000 MHz
800 MHz
Memory Clock
1500 MHz

Memory

512MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
384bit
51.20GB/s
Bandwidth
288.0GB/s

Render Config

8
Compute Units
32
-
-
-
640
Shading Units
2048
32
TMUs
128
16
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
768 KB
-
-
-

Theoretical Performance

12.00 GPixel/s
Pixel Rate
32.00 GPixel/s
24.00 GTexel/s
Texture Rate
128.0 GTexel/s
-
-
-
960.0 GFLOPS
FP32 (float)
4.096 TFLOPS
192.0 GFLOPS
FP64 (double)
1024 GFLOPS

Board Design

80W
TDP
375W
250 W
Suggested PSU
750 W
2x DVI 1x S-Video
Outputs
6x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
3x 8-pin

Graphics Processor

RV740
GPU Name
Tahiti
RV740 XT (215-0727019)
GPU Variant
Tahiti XTL (215-0821065)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.826 billion
Transistors
4.313 billion
137 mm²
Die Size
352 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

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