AMD Radeon RX 6750 GRE 10 GB vs AMD Radeon HD 7990

VS

AMD Radeon RX 6750 GRE 10 GB

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 10GB VRAM Radeon RX 6750 GRE 10 GB and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6750 GRE 10 GB 's Advantages

Released 10 years and 6 months late

Boost Clock has increased by 145% (2450MHz vs 1000MHz)

More VRAM (10GB vs 3GB)

Larger VRAM bandwidth (320.0GB/s vs 288.0GB/s)

256 additional rendering cores

Lower TDP (170W vs 375W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 GRE 10 GB +175%

11.29 TFLOPS

Radeon HD 7990

4.096 TFLOPS

Radeon RX 6750 GRE 10 GB

VS

Radeon HD 7990

Graphics Card

Oct 2023

Release Date

Apr 2013

Navi II

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1941 MHz

Base Clock

950 MHz

2450 MHz

Boost Clock

1000 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

10GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

160bit

Memory Bus

384bit

320.0GB/s

Bandwidth

288.0GB/s

Render Config

36

Compute Units

32

-

2304

Shading Units

2048

144

TMUs

128

64

ROPs

32

-

36

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

768 KB

80 MB

L3 Cache

-

Theoretical Performance

156.8 GPixel/s

Pixel Rate

32.00 GPixel/s

352.8 GTexel/s

Texture Rate

128.0 GTexel/s

22.58 TFLOPS

FP16 (half)

-

11.29 TFLOPS

FP32 (float)

4.096 TFLOPS

705.6 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

170W

TDP

375W

450 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 22

GPU Name

Malta

Navi 22 XTL

GPU Variant

Malta XT (215-0849026)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

4.313 billion

335 mm²

Die Size

365 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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