Home GPU Comparison AMD Radeon HD 7990 vs AMD Radeon RX 5500 OEM

AMD Radeon HD 7990 vs AMD Radeon RX 5500 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 4GB VRAM Radeon RX 5500 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages
Larger VRAM bandwidth (288.0GB/s vs 224.0GB/s)
640 additional rendering cores
AMD Radeon RX 5500 OEM 's Advantages
Released 6 years and 6 months late
Boost Clock has increased by 84% (1845MHz vs 1000MHz)
More VRAM (4GB vs 3GB)
Lower TDP (110W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 7990
4.096 TFLOPS
Radeon RX 5500 OEM +26%
5.196 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Oct 2019
Southern Islands
Generation
Navi
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8

Clock Speeds

950 MHz
Base Clock
1500 MHz
1000 MHz
Boost Clock
1845 MHz
1500 MHz
Memory Clock
1750 MHz

Memory

3GB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
128bit
288.0GB/s
Bandwidth
224.0GB/s

Render Config

32
Compute Units
22
-
-
-
2048
Shading Units
1408
128
TMUs
88
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

32.00 GPixel/s
Pixel Rate
59.04 GPixel/s
128.0 GTexel/s
Texture Rate
162.4 GTexel/s
-
FP16 (half)
10.39 TFLOPS
4.096 TFLOPS
FP32 (float)
5.196 TFLOPS
1024 GFLOPS
FP64 (double)
324.7 GFLOPS

Board Design

375W
TDP
110W
750 W
Suggested PSU
300 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 8-pin

Graphics Processor

Malta
GPU Name
Navi 14
Malta XT (215-0849026)
GPU Variant
Navi 14 XT (215-0932220)
GCN 1.0
Architecture
RDNA 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
4.313 billion
Transistors
6.4 billion
365 mm²
Die Size
158 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_1)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.3
-
-
-
5.1
Shader Model
6.5

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