Home GPU Comparison AMD Radeon HD 7990 vs ATI Radeon HD 2400

AMD Radeon HD 7990 vs ATI Radeon HD 2400

AMD Radeon HD 7990
VS
ATI Radeon HD 2400
AMD Radeon HD 7990
ATI Radeon HD 2400
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 256MB VRAM ATI Radeon HD 2400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages
Released 5 years and 2 months late
Boost Clock1000MHz
More VRAM (3GB vs 256GB)
Larger VRAM bandwidth (288.0GB/s vs 7.920GB/s)
2008 additional rendering cores
ATI Radeon HD 2400 's Advantages
Lower TDP (20W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 7990 +12700%
4.096 TFLOPS
ATI Radeon HD 2400
0.032 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Feb 2008
Southern Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

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

Memory

3GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
384bit
Memory Bus
64bit
288.0GB/s
Bandwidth
7.920GB/s

Render Config

32
Compute Units
2
-
-
-
2048
Shading Units
40
128
TMUs
4
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
32 KB
-
-
-

Theoretical Performance

32.00 GPixel/s
Pixel Rate
1.592 GPixel/s
128.0 GTexel/s
Texture Rate
1.592 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
31.84 GFLOPS
1024 GFLOPS
FP64 (double)
-

Board Design

375W
TDP
20W
750 W
Suggested PSU
200 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x DVI 1x S-Video
2x 8-pin
Power Connectors
None

Graphics Processor

Malta
GPU Name
RV610
Malta XT (215-0849026)
GPU Variant
-
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
4.313 billion
Transistors
0.18 billion
365 mm²
Die Size
85 mm²

Graphics Features

12 (11_1)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.0

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